* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0d17;
            color: #e2e2e8;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #8ab4f8;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #c3d9ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: #0f1221;
            border-bottom: 2px solid #1f2a44;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(8px);
            background: rgba(15, 18, 33, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(145deg, #f5d742, #f0b800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 8px rgba(245, 215, 66, 0.25);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5d742;
            font-size: 2rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-list a {
            padding: 6px 12px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: #bcc4db;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list a:hover {
            background: #1f2a44;
            color: #f5d742;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #3a4a6a;
            color: #e2e2e8;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #1f2a44;
        }
        @media (max-width: 820px) {
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1221;
                padding: 16px 0 20px 0;
                gap: 6px;
                border-top: 1px solid #1f2a44;
                margin-top: 12px;
            }
            .nav-list.show {
                display: flex;
            }
            .hamburger {
                display: inline-block;
            }
            .header-inner {
                align-items: center;
            }
        }
        .breadcrumb {
            padding: 18px 0 8px 0;
            font-size: 0.85rem;
            color: #8892b0;
        }
        .breadcrumb a {
            color: #8ab4f8;
        }
        .breadcrumb span {
            color: #bcc4db;
        }
        .hero {
            padding: 32px 0 24px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(145deg, #f5d742, #f0b800, #d4a017);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .hero .subhead {
            font-size: 1.15rem;
            color: #a8b2d1;
            max-width: 780px;
            margin: 0 auto 16px auto;
        }
        .hero .meta-info {
            font-size: 0.9rem;
            color: #6e7a9a;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #f5d742;
        }
        .search-section {
            padding: 20px 0 10px 0;
        }
        .search-form {
            display: flex;
            max-width: 560px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            border: 1px solid #2a3a5a;
            background: #11152a;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #f5d742;
        }
        .search-form input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            background: transparent;
            color: #e2e2e8;
            font-size: 1rem;
            outline: none;
        }
        .search-form input::placeholder {
            color: #5a6a8a;
        }
        .search-form button {
            background: #f5d742;
            border: none;
            padding: 0 24px;
            color: #0b0d17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #f0c800;
        }
        .toc {
            background: #141929;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 28px 0 32px 0;
            border: 1px solid #1f2a44;
        }
        .toc h2 {
            font-size: 1.4rem;
            color: #f5d742;
            margin-bottom: 12px;
        }
        .toc ul {
            columns: 2 220px;
            list-style: none;
            padding: 0;
        }
        .toc li {
            padding: 4px 0;
        }
        .toc a {
            color: #bcc4db;
            font-weight: 500;
        }
        .toc a:hover {
            color: #f5d742;
        }
        @media (max-width: 500px) {
            .toc ul {
                columns: 1;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        .content {
            padding: 12px 0 40px 0;
        }
        .content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #f5d742;
            margin: 44px 0 16px 0;
            padding-bottom: 8px;
            border-bottom: 2px solid #1f2a44;
        }
        .content h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #c3d9ff;
            margin: 32px 0 12px 0;
        }
        .content h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #a8b2d1;
            margin: 24px 0 8px 0;
        }
        .content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #d4d8e6;
        }
        .content strong {
            color: #f5d742;
            font-weight: 700;
        }
        .content em {
            color: #8ab4f8;
        }
        .content ul,
        .content ol {
            margin: 12px 0 20px 28px;
        }
        .content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .content .highlight-box {
            background: #141929;
            border-left: 5px solid #f5d742;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .content .highlight-box p {
            margin-bottom: 0;
        }
        .content .img-wrapper {
            margin: 28px 0;
            border-radius: 14px;
            overflow: hidden;
            background: #11152a;
            padding: 12px;
            border: 1px solid #1f2a44;
            text-align: center;
        }
        .content .img-wrapper img {
            border-radius: 10px;
            width: 100%;
        }
        .content .img-wrapper .caption {
            font-size: 0.85rem;
            color: #6e7a9a;
            margin-top: 8px;
            font-style: italic;
        }
        .interaction-area {
            display: flex;
            flex-wrap: wrap;
            gap: 24px 40px;
            margin: 48px 0 24px 0;
            padding: 28px 24px;
            background: #141929;
            border-radius: 18px;
            border: 1px solid #1f2a44;
        }
        .rating-box,
        .comment-box {
            flex: 1 1 260px;
        }
        .rating-box h3,
        .comment-box h3 {
            font-size: 1.3rem;
            color: #f5d742;
            margin-bottom: 12px;
        }
        .star-group {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.8rem;
            color: #3a4a6a;
        }
        .star-group input {
            display: none;
        }
        .star-group label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-group label:hover,
        .star-group label:hover~label,
        .star-group input:checked~label {
            color: #f5d742;
        }
        .rating-box .score-btn {
            margin-top: 12px;
            padding: 10px 28px;
            background: #f5d742;
            border: none;
            color: #0b0d17;
            font-weight: 700;
            border-radius: 40px;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.95rem;
        }
        .rating-box .score-btn:hover {
            background: #f0c800;
        }
        .comment-box textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 12px;
            border: 1px solid #2a3a5a;
            background: #0d1020;
            color: #e2e2e8;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-box textarea:focus {
            border-color: #f5d742;
        }
        .comment-box .comment-btn {
            margin-top: 10px;
            padding: 10px 28px;
            background: #1f2a44;
            border: none;
            color: #e2e2e8;
            font-weight: 600;
            border-radius: 40px;
            cursor: pointer;
            transition: background 0.25s;
            font-size: 0.95rem;
        }
        .comment-box .comment-btn:hover {
            background: #2a3a5a;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 10px 18px;
            background: #141929;
            padding: 20px 22px;
            border-radius: 14px;
            margin: 24px 0;
            border: 1px solid #1f2a44;
        }
        .links-grid a {
            font-size: 0.95rem;
            font-weight: 500;
            display: inline-block;
            padding: 4px 0;
        }
        .links-grid a i {
            margin-right: 6px;
            color: #f5d742;
            font-size: 0.8rem;
        }
        friend-link {
            display: block;
            background: #0f1221;
            border-top: 2px solid #1f2a44;
            padding: 28px 0 20px 0;
            margin-top: 40px;
        }
        friend-link .friend-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            align-items: center;
            justify-content: center;
        }
        friend-link .friend-label {
            font-weight: 600;
            color: #f5d742;
            font-size: 1rem;
        }
        friend-link a {
            color: #8ab4f8;
            font-size: 0.95rem;
            padding: 4px 10px;
            border-radius: 30px;
            border: 1px solid #2a3a5a;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #1f2a44;
            border-color: #f5d742;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0c17;
            border-top: 1px solid #1a2440;
            padding: 28px 0 22px 0;
            text-align: center;
            font-size: 0.85rem;
            color: #5a6a8a;
        }
        .site-footer .copyright {
            margin-bottom: 6px;
        }
        .site-footer a {
            color: #8ab4f8;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .content h2 {
                font-size: 1.6rem;
            }
            .content h3 {
                font-size: 1.25rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .search-form input {
                padding: 12px 16px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 16px;
                font-size: 0.9rem;
            }
            .interaction-area {
                padding: 18px 16px;
            }
            .links-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 420px) {
            .links-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #f5d742;
            color: #0b0d17;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(245, 215, 66, 0.25);
            transition: transform 0.2s, background 0.2s;
            z-index: 999;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            background: #f0c800;
        }
        @media (max-width: 640px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }